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K18
PTFE-seated butterfly valve (lug type-chemical valve)
Specification
Standard top flange :
ISO 5211 / DIN 3337
Easy mounting of all kinds of actuators
Bearing with secondary sealing
PTFE seat :
Solid design in compliance with DIN 3354, part 5, protects against diffusion,
Fully lined, guarantees tight shut-off to the shaft and the flanges.
Elastomer spring element :
Elastic ring made of EPDM or silicone, which is exactly fitted behind the PTFE-seat
PFA-coated disc :
Stainless steel disc with transfer-moulded solid PFA-coating (thickness: min. 3mm)
Split body :
Length DIN 3202-K1, wearing parts can be easily replaced
Primary seal :
Integrated in the seat, a cavity-free, stable sealing to the outside
(pressed in with the spring thrust bearing)
Technical data :
DN 50 – DN 500
Lug type for installation between flanges DIN 2501, PN 10/16, ANSI 150 lbs
two-piece body with lugs, One-piece disk/stem
Special feature :
The valve can be used as dead-end valve
Temperature :
-30¡ÆC to + 180 ¡ÆC
Depending on the seal material
Length :
DIN 3202 – K1
EN 558-1 line 20
Top flange :
ISO 5211 – DIN 3337
Pressure Tests :
DIN 3230, T3-BA/BO 1
DIN 3230, T5, T6
Certificates :
German Lloyd, Lloyds Veritas TUV-GGVS
Used as dead-end valve. The valve can stand a differential pressure of 10bar (depending on the temperature.)
The max. working pressure is depending on the working themprature. |
